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Finding the Fourth Proportional to 25,245.70, 37,867.17 and 7,714.15

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Solution

The fourth proportional to 25,245.70, 37,867.17 and 7,714.15 is: 11,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.70 : 37,867.17 = 7,714.15 : x
  2. Step 2: Convert to fraction form
    25,245.70/37,867.17 = 7,714.15/x
  3. Step 3: Cross multiply
    25,245.70x = 37,867.17 × 7,714.15
  4. Step 4: Simplify right side
    25,245.70x = 292,112,840.12
  5. Step 5: Solve for x
    x = 292,112,840.12/25,245.70
  6. Step 6: Final answer
    x = 11,570.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.